54.45% is the change from 551 to 851
Calculation steps:
[( 851 - 551 ) ÷ 551] x 100 = 54.45%
Formula
Percentage change = [(851 - 551) / 551] x 100
Subtract the new number by the original number
851 - 551 = 300
300 ÷ 551 = 0.5444646098003629
0.5444646098003629 x 100 = 54.45%